Which airport is the most popular layover for flights between Kathmandu and Washington, D.C.?

Doha (DOH) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C.?

Dubai (DXB) has the shortest average layover time for this route: 4h 08m.

What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington, D.C.?

Etihad Airways and Qatar Airways are the most popular carriers operating from Kathmandu Tribhuvan to Washington, D.C.

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C.?

Flights via Istanbul (IST) offer the lowest average round-trip price of $1,385.

What airlines fly to Washington, D.C.?

Qatar Airways, Emirates and Turkish Airlines are the top three most popular airlines that fly to Washington, D.C. from Kathmandu according to our data. Qatar Airways is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C.?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 23h 00m.

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

As of July 2026, there are 3 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C..

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$663 Cheap Flights from Kathmandu to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kathmandu to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 7:25 pm

KTM

IAD

39h 40m

2 stops

10:55 pm - 11:25 pm

IAD

KTM

37h 45m

2 stops

$1,251Multiple Airlines

Fri, Oct 9 - Mon, Nov 16

10:05 am - 9:45 am

KTM

IAD

33h 25m

2 stops

3:10 pm - 6:35 am

IAD

KTM

29h 40m

2 stops

$1,262Multiple Airlines

Tue, Sep 8 - Tue, Oct 6

3:30 pm - 3:40 pm

KTM

IAD

33h 55m

1 stop

9:00 pm - 5:30 pm

IAD

KTM

34h 45m

1 stop

$1,287Qatar Airways

Sun, Aug 30 - Wed, Sep 30

3:30 pm - 3:40 pm

KTM

IAD

33h 55m

1 stop

9:00 pm - 5:30 pm

IAD

KTM

34h 45m

1 stop

$1,306Qatar Airways

Tue, Sep 8 - Tue, Oct 6

7:20 pm - 5:50 pm

KTM

BWI

32h 15m

2 stops

4:39 pm - 5:45 pm

BWI

KTM

62h 21m

2 stops

$1,616Korean Air

Tue, Oct 20 - Sat, Nov 14

7:35 am - 10:59 pm

KTM

DCA

49h 09m

3 stops

6:10 am - 12:05 am

DCA

KTM

32h 10m

2 stops

$1,652Air India

Mon, Aug 3 - Mon, Aug 24

6:30 am - 10:59 pm

KTM

DCA

50h 14m

3 stops

6:25 am - 8:40 pm

DCA

KTM

27h 30m

2 stops

$1,708Air India

Tue, Aug 4 - Mon, Nov 16

7:20 pm - 5:50 pm

KTM

BWI

32h 15m

2 stops

6:10 pm - 5:45 pm

BWI

KTM

60h 50m

2 stops

$1,772Korean Air

Tue, Oct 20 - Wed, Nov 18

7:55 pm - 10:59 pm

KTM

BWI

36h 49m

2 stops

5:11 pm - 8:05 am

BWI

KTM

29h 09m

2 stops

$2,129Emirates

Wed, Oct 14 - Mon, Apr 12

7:55 pm - 10:59 pm

KTM

BWI

36h 49m

2 stops

5:11 pm - 8:05 am

BWI

KTM

29h 09m

2 stops

$2,205Emirates

Wed, Oct 14 - Tue, Apr 13

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Air China flights from Kathmandu to Washington, D.C.

Our best Air China deals on Kathmandu to Washington, D.C. flight tickets

Air China

Oct 15

KTM11:55 amKathmandu Tribhuvan

41h 20m

2 stops

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 24

IAD10:00 pmWashington, D.C. Dulles Intl

50h 10m

2 stops

KTM10:55 amKathmandu Tribhuvan

$1,293

Air China

Oct 18

KTM11:55 amKathmandu Tribhuvan

65h 20m

2 stops

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 27

IAD10:00 pmWashington, D.C. Dulles Intl

50h 10m

2 stops

KTM10:55 amKathmandu Tribhuvan

$1,332

Air China

Aug 9

KTM11:55 amKathmandu Tribhuvan

65h 20m

2 stops

IAD7:30 pmWashington, D.C. Dulles Intl

Oct 6

IAD11:00 pmWashington, D.C. Dulles Intl

50h 10m

2 stops

KTM10:55 amKathmandu Tribhuvan

$1,547

KLM flights from Kathmandu to Washington, D.C.

Our best KLM deals on Kathmandu to Washington, D.C. flight tickets

KLM

Oct 18

KTM8:50 pmKathmandu Tribhuvan

28h 30m

2 stops

IAD3:35 pmWashington, D.C. Dulles Intl

Apr 13

IAD5:40 pmWashington, D.C. Dulles Intl

30h 25m

2 stops

KTM9:50 amKathmandu Tribhuvan

$1,428

KLM

Oct 18

KTM8:50 pmKathmandu Tribhuvan

28h 30m

2 stops

IAD3:35 pmWashington, D.C. Dulles Intl

Apr 15

IAD6:15 pmWashington, D.C. Dulles Intl

29h 50m

2 stops

KTM9:50 amKathmandu Tribhuvan

$1,429

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Fri 10/9

1:30 pm-7:25 pm

2 stops39h 40m

Washington, D.C. Dulles Intl

Mon 11/16

10:55 pm-11:25 pm

2 stops37h 45m

$1,251

Quickest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/8

10:05 am-9:45 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Tue 10/6

3:10 pm-6:35 am

2 stops29h 40m

$1,262

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Sun 8/30

3:30 pm-3:40 pm

1 stop33h 55m

Washington, D.C. Dulles Intl

Wed 9/30

9:00 pm-5:30 pm

1 stop34h 45m

$1,287

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 9/8

3:30 pm-3:40 pm

1 stop33h 55m

Washington, D.C. Dulles Intl

Tue 10/6

9:00 pm-5:30 pm

1 stop34h 45m

$1,306

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Tue 10/20

7:20 pm-5:50 pm

2 stops32h 15m

Baltimore/Washington

Sat 11/14

4:39 pm-5:45 pm

2 stops62h 21m

$1,616

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Mon 8/3

7:35 am-10:59 pm

3 stops49h 09m

Washington, D.C. Reagan-National

Mon 8/24

6:10 am-12:05 am

2 stops32h 10m

$1,652

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 8/4

6:30 am-10:59 pm

3 stops50h 14m

Washington, D.C. Reagan-National

Mon 11/16

6:25 am-8:40 pm

2 stops27h 30m

$1,708

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Tue 10/20

7:20 pm-5:50 pm

2 stops32h 15m

Baltimore/Washington

Wed 11/18

6:10 pm-5:45 pm

2 stops60h 50m

$1,772

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Wed 10/14

7:55 pm-10:59 pm

2 stops36h 49m

Baltimore/Washington

Mon 4/12

5:11 pm-8:05 am

2 stops29h 09m

$2,129

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Wed 10/14

7:55 pm-10:59 pm

2 stops36h 49m

Baltimore/Washington

Tue 4/13

5:11 pm-8:05 am

2 stops29h 09m

$2,205

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Kathmandu, with most prices found around $1,297. If you’re not able to fly to Washington, D.C. in February, then December is your next best option. Flight prices from Kathmandu to Washington, D.C. during December average around $1,337.

How far in advance should I book a flight from Kathmandu to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,506 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Kathmandu for as low as $1,377 on momondo.

Can stopping save me money on Kathmandu to Washington, D.C. flights?

You could potentially save up to 22% on your flight if you consider stops on a Kathmandu to Washington, D.C. flight.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of July 2026, prices for Kathmandu to Washington, D.C. flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Fastest flight time	21h 55m
Direct flights	None

The fastest flight from Kathmandu to Washington, D.C. takes 21h 55m

There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Kathmandu to Washington, D.C.

How far is Kathmandu Tribhuvan to Washington, D.C. by plane?
A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 21h 55m.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?
Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?
As of July 2026, there are 3 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C..
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kathmandu to Washington, D.C.?
Based on momondo bookings for flights between Kathmandu and Washington, D.C., the leading airline is Qatar Airways, making up 66% of the total bookings. Other popular airlines include Turkish Airlines with 34%.

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,241	Free Cancellation	Rating 7.3 3,748 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $1,281	Free Cancellation	Rating 7.4 4,450 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,437	Free Cancellation	Rating 8.1 3,632 reviews	Search Emirates flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Manassas

Towson

Silver Spring

Colonial Beach

Springfield

Tysons

Fairfax

College Park

Edgewood

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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Cheap flights from Kathmandu to Washington, D.C. from $663

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air China flights from Kathmandu to Washington, D.C.

Our best Air China deals on Kathmandu to Washington, D.C. flight tickets

KLM flights from Kathmandu to Washington, D.C.

Our best KLM deals on Kathmandu to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

How far in advance should I book a flight from Kathmandu to Washington, D.C.?

Can stopping save me money on Kathmandu to Washington, D.C. flights?

How have Kathmandu to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington, D.C.?

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Kathmandu and Washington, D.C.?

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C.?

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C.?

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C.?

When to book flights from Kathmandu to Washington, D.C.

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Kathmandu to Washington, D.C.

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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